opcodes/microblaze-opcm.h

   1 /* microblaze-opcm.h -- Header used in microblaze-opc.h
   2
   3    Copyright (C) 2009-2023 Free Software Foundation, Inc.
   4
   5    This file is part of the GNU opcodes library.
   6
   7    This library is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3, or (at your option)
  10    any later version.
  11
  12    It is distributed in the hope that it will be useful, but WITHOUT
  13    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  14    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  15    License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this file; see the file COPYING.  If not, write to the
  19    Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston,
  20    MA 02110-1301, USA.  */
  21
  22
  23 #ifndef MICROBLAZE_OPCM
  24 #define MICROBLAZE_OPCM
  25
  26 enum microblaze_instr
  27 {
  28   add, rsub, addc, rsubc, addk, rsubk, addkc, rsubkc, clz, cmp, cmpu,
  29   addi, rsubi, addic, rsubic, addik, rsubik, addikc, rsubikc, mul,
  30   mulh, mulhu, mulhsu, swapb, swaph,
  31   idiv, idivu, bsll, bsra, bsrl, get, put, nget, nput, cget, cput,
  32   ncget, ncput, muli, bslli, bsrai, bsrli, bsefi, bsifi, mului,
  33   /* 'or/and/xor' are C++ keywords.  */
  34   microblaze_or, microblaze_and, microblaze_xor,
  35   andn, pcmpbf, pcmpbc, pcmpeq, pcmpne, sra, src, srl, sext8, sext16,
  36   wic, wdc, wdcclear, wdcextclear, wdcflush, wdcextflush, wdcclearea, mts, mtse,
  37   mfs, mfse, mbar, br, brd, brld, bra, brad, brald, microblaze_brk, beq, beqd,
  38   bne, bned, blt, bltd, ble, bled, bgt, bgtd, bge, bged, ori, andi, xori, andni,
  39   imm, rtsd, rtid, rtbd, rted, bri, brid, brlid, brai, braid, bralid,
  40   brki, beqi, beqid, bnei, bneid, blti, bltid, blei, bleid, bgti,
  41   bgtid, bgei, bgeid, lbu, lbuea, lbur, lhu, lhuea, lhur, lw, lwea, lwr, lwx,
  42   sb, sbea, sbr, sh, shea, shr, sw, swea, swr, swx, lbui, lhui, lwi,
  43   sbi, shi, swi, msrset, msrclr, tuqula, mbi_fadd, frsub, mbi_fmul, mbi_fdiv,
  44   fcmp_lt, fcmp_eq, fcmp_le, fcmp_gt, fcmp_ne, fcmp_ge, fcmp_un, flt,
  45   /* 'fsqrt' is a glibc:math.h symbol.  */
  46   fint, microblaze_fsqrt,
  47   tget, tcget, tnget, tncget, tput, tcput, tnput, tncput,
  48   eget, ecget, neget, necget, eput, ecput, neput, necput,
  49   teget, tecget, tneget, tnecget, teput, tecput, tneput, tnecput,
  50   aget, caget, naget, ncaget, aput, caput, naput, ncaput,
  51   taget, tcaget, tnaget, tncaget, taput, tcaput, tnaput, tncaput,
  52   eaget, ecaget, neaget, necaget, eaput, ecaput, neaput, necaput,
  53   teaget, tecaget, tneaget, tnecaget, teaput, tecaput, tneaput, tnecaput,
  54   getd, tgetd, cgetd, tcgetd, ngetd, tngetd, ncgetd, tncgetd,
  55   putd, tputd, cputd, tcputd, nputd, tnputd, ncputd, tncputd,
  56   egetd, tegetd, ecgetd, tecgetd, negetd, tnegetd, necgetd, tnecgetd,
  57   eputd, teputd, ecputd, tecputd, neputd, tneputd, necputd, tnecputd,
  58   agetd, tagetd, cagetd, tcagetd, nagetd, tnagetd, ncagetd, tncagetd,
  59   aputd, taputd, caputd, tcaputd, naputd, tnaputd, ncaputd, tncaputd,
  60   eagetd, teagetd, ecagetd, tecagetd, neagetd, tneagetd, necagetd, tnecagetd,
  61   eaputd, teaputd, ecaputd, tecaputd, neaputd, tneaputd, necaputd, tnecaputd,
  62   invalid_inst
  63 };
  64
  65 enum microblaze_instr_type
  66 {
  67   arithmetic_inst, logical_inst, mult_inst, div_inst, branch_inst,
  68   return_inst, immediate_inst, special_inst, memory_load_inst,
  69   memory_store_inst, barrel_shift_inst, anyware_inst
  70 };
  71
  72 #define INST_WORD_SIZE 4
  73
  74 /* Gen purpose regs go from 0 to 31.  */
  75 /* Mask is reg num - max_reg_num, ie reg_num - 32 in this case.  */
  76
  77 #define REG_PC_MASK 0x8000
  78 #define REG_MSR_MASK 0x8001
  79 #define REG_EAR_MASK 0x8003
  80 #define REG_ESR_MASK 0x8005
  81 #define REG_FSR_MASK 0x8007
  82 #define REG_BTR_MASK 0x800b
  83 #define REG_EDR_MASK 0x800d
  84 #define REG_PVR_MASK 0xa000
  85 #define REG_SLR_MASK 0x8800
  86 #define REG_SHR_MASK 0x8802
  87
  88 #define REG_PID_MASK   0x9000
  89 #define REG_ZPR_MASK   0x9001
  90 #define REG_TLBX_MASK  0x9002
  91 #define REG_TLBLO_MASK 0x9003
  92 #define REG_TLBHI_MASK 0x9004
  93 #define REG_TLBSX_MASK 0x9005
  94
  95 #define MIN_REGNUM 0
  96 #define MAX_REGNUM 31
  97
  98 #define MIN_PVR_REGNUM 0
  99 #define MAX_PVR_REGNUM 15
 100
 101 #define REG_PC  32 /* PC.  */
 102 #define REG_MSR 33 /* Machine status reg.  */
 103 #define REG_EAR 35 /* Exception reg.  */
 104 #define REG_ESR 37 /* Exception reg.  */
 105 #define REG_FSR 39 /* FPU Status reg.  */
 106 #define REG_BTR 43 /* Branch Target reg.  */
 107 #define REG_EDR 45 /* Exception reg.  */
 108 #define REG_SHR 50 /* Stack High reg.  */
 109 #define REG_SLR 51 /* Stack Low reg.  */
 110 #define REG_PVR 40960 /* Program Verification reg.  */
 111
 112 #define REG_PID   36864 /* MMU: Process ID reg.  */
 113 #define REG_ZPR   36865 /* MMU: Zone Protect reg.  */
 114 #define REG_TLBX  36866 /* MMU: TLB Index reg.  */
 115 #define REG_TLBLO 36867 /* MMU: TLB Low reg.  */
 116 #define REG_TLBHI 36868 /* MMU: TLB High reg.  */
 117 #define REG_TLBSX 36869 /* MMU: TLB Search Index reg.  */
 118
 119 /* Alternate names for gen purpose regs.  */
 120 #define REG_SP  1 /* stack pointer.  */
 121 #define REG_ROSDP 2 /* read-only small data pointer.  */
 122 #define REG_RWSDP 13 /* read-write small data pointer.  */
 123
 124 /* Assembler Register - Used in Delay Slot Optimization.  */
 125 #define REG_AS    18
 126 #define REG_ZERO  0
 127
 128 #define RD_LOW  21 /* Low bit for RD.  */
 129 #define RA_LOW  16 /* Low bit for RA.  */
 130 #define RB_LOW  11 /* Low bit for RB.  */
 131 #define IMM_LOW  0 /* Low bit for immediate.  */
 132 #define IMM_MBAR 21 /* low bit for mbar instruction.  */
 133 #define IMM_WIDTH_LOW 6 /* Low bit for immediate width */
 134
 135 #define RD_MASK 0x03E00000
 136 #define RA_MASK 0x001F0000
 137 #define RB_MASK 0x0000F800
 138 #define IMM_MASK 0x0000FFFF
 139
 140 /* Imm mask for barrel shifts.  */
 141 #define IMM5_MASK 0x0000001F
 142
 143 /* Imm mask for mbar.  */
 144 #define IMM5_MBAR_MASK 0x03E00000
 145
 146 /* Imm mask for extract/insert width. */
 147 #define IMM5_WIDTH_MASK 0x000007C0
 148
 149 /* FSL imm mask for get, put instructions.  */
 150 #define  RFSL_MASK 0x000000F
 151
 152 /* Imm mask for msrset, msrclr instructions.  */
 153 #define  IMM15_MASK 0x00007FFF
 154
 155 #endif /* MICROBLAZE-OPCM */